Product description
EL6900
17
Version: 2.2.0
3.4
Safety parameters
Key figures
EL6900
Lifetime [a]
20
Prooftest Interval [a]
not required
1
PFH
D
1.03E-09
%SIL3
1,03%
PFD
8.23E-05
%SIL3
8,23%
MTTF
d
high
DC
high
Performance level
PL e
Category
4
HFT
1
Element classification
2
Type B
1. Special proof tests are not required during the entire service life of the EL6900 EtherCAT terminal.
2. Classification according to IEC 61508-2:2010 (see chapters 7.4.4.1.2 and 7.4.4.1.3)
The EL6900 EtherCAT Terminal can be used for safety-related applications within the meaning of
IEC 61508:2010 up to SIL3 and EN ISO 13849-1 up to PL e (Cat4).
For the calculation or estimation of the MTTF
d
value from the PFH
D
value, further information can be found in
the TwinSAFE application manual or in ISO 13849-1:2015 Table K.1.
Summary of Contents for EL6900
Page 1: ...Operating Instructions for EL6900 TwinSAFE Logic Terminal 2 2 0 2017 05 10 Version Date...
Page 2: ......
Page 34: ...Operation EL6900 34 Version 2 2 0 Fig 18 Creating a TwinSAFE group...
Page 37: ...Operation EL6900 37 Version 2 2 0 Fig 22 Appended Emergency Stop block...
Page 59: ...Appendix EL6900 59 Version 2 2 0 5 2 Certificates...
